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Finding the Fourth Proportional to 69,575.79, 104,371.89 and 22,174.40

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Solution

The fourth proportional to 69,575.79, 104,371.89 and 22,174.40 is: 33,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,575.79 : 104,371.89 = 22,174.40 : x
  2. Step 2: Convert to fraction form
    69,575.79/104,371.89 = 22,174.40/x
  3. Step 3: Cross multiply
    69,575.79x = 104,371.89 × 22,174.40
  4. Step 4: Simplify right side
    69,575.79x = 2,314,383,515.76
  5. Step 5: Solve for x
    x = 2,314,383,515.76/69,575.79
  6. Step 6: Final answer
    x = 33,264.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.